Inventor · disambiguated record
Sumi Ishihara
Also filed as: ISHIHARA SUMI
33 granted patents·18 pending applications·49 citations·filing 1990–2025
95Inventor score
Top patents by PatentIndex Score
51 records- 0195US11767379B2Method for manufacturing fluoropolymerDAIKIN IND LTD·Filed 2019·Granted Sep 26, 2023·7 cites·13 claims
- 0295US11708324B2Sulfuric acid ester or salt thereof, and surfactantDAIKIN IND LTD·Filed 2021·Granted Jul 25, 2023·2 cites·5 claims
- 0392US11072580B2Sulfuric acid ester or salt thereof, and surfactantDAIKIN IND LTD·Filed 2017·Granted Jul 27, 2021·4 cites·7 claims
- 0491US11512155B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2018·Granted Nov 29, 2022·3 cites·5 claims
- 0591US11279814B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2018·Granted Mar 22, 2022·2 cites·11 claims
- 0690US2025368814A1Method for manufacturing fluoropolymerDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 0789US12410266B2Method for manufacturing fluoropolymerDAIKIN IND LTD·Filed 2023·Granted Sep 9, 2025·0 cites·14 claims
- 0889US2024317907A1Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 0987US9758455B2Method for producing fluorinated organic compound and fluorinating reagentDAIKIN IND LTD·Filed 2015·Granted Sep 12, 2017·3 cites·4 claims
- 1086US12012470B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2022·Granted Jun 18, 2024·0 cites·19 claims
- 1186US11999681B2Alkyl sulfate ester or salt of sameDAIKIN IND LTD·Filed 2018·Granted Jun 4, 2024·2 cites·8 claims
- 1286US2025361380A1Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 1382US12404387B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2022·Granted Sep 2, 2025·0 cites·11 claims
- 1480US2023220129A1Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and compositionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1576US9388117B2Method for producing α-fluoroacrylic acid esterDAIKIN IND LTD·Filed 2013·Granted Jul 12, 2016·2 cites·4 claims
- 1672US2025171627A1Polytetrafluoroethylene and stretched bodyDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 1771US11680037B2Branched fluorine-containing compoundDAIKIN IND LTD·Filed 2021·Granted Jun 20, 2023·0 cites·15 claims
- 1871US10479681B2Fluorinating agentDAIKIN IND LTD·Filed 2019·Granted Nov 19, 2019·0 cites·7 claims
- 1970US2025026949A1Fluoropolymer, aqueous solution, coating composition and method for producing fluoropolymerDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 2069US2023287154A1Fluoropolymer and method for producing sameDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2169US2023279161A1Fluoropolymer and manufacturing method thereforDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2268US11634514B2Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and compositionDAIKIN IND LTD·Filed 2019·Granted Apr 25, 2023·0 cites·6 claims
- 2368US2024109985A1Fluoropolymer, aqueous solution and coating compositionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2467US2021070688A1Carboxylate salt or sulfonate salt, and surfactantDAIKIN IND LTD·Filed 2020·Application pending·0 cites
- 2566US10233080B2Fluorinating agentDAIKIN IND LTD·Filed 2014·Granted Mar 19, 2019·0 cites·8 claims
- 2666US5066795APerfluoroalkyl-containing compoundSAGAMI CHEM RES·Filed 1990·Granted Nov 19, 1991·9 cites·6 claims
- 2766US2024018081A1Method for producing organic fluorine compoundsDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2865US2021221992A1Polytetrafluoroethylene and stretched bodyDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 2964US10865178B2Carboxylate salt or sulfonate salt, and surfactantDAIKIN IND LTD·Filed 2017·Granted Dec 15, 2020·0 cites·7 claims
- 3064US9732027B2Production method for alpha-fluoro acrylic acid estersDAIKIN IND LTD·Filed 2014·Granted Aug 15, 2017·0 cites·6 claims
- 3164US2022348699A1Method of producing fluoropolymerDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 3263US12187859B2Process for producing aqueous fluoropolymer dispersionDAIKIN IND LTD·Filed 2020·Granted Jan 7, 2025·0 cites·10 claims
- 3363US11104639B2Branched fluorine-containing compoundDAIKIN IND LTD·Filed 2017·Granted Aug 31, 2021·0 cites·4 claims
- 3462US12428365B2Production method of acrylic acid derivativeDAIKIN IND LTD·Filed 2023·Granted Sep 30, 2025·0 cites·12 claims
- 3562US9950984B2Production method for alpha-fluoro acrylic acid estersDAIKIN IND LTD·Filed 2017·Granted Apr 24, 2018·0 cites·6 claims
- 3662US9593058B2Method for producing 1,1-dibromo-1-fluoroethaneDAIKIN IND LTD·Filed 2014·Granted Mar 14, 2017·0 cites·12 claims
- 3762US7482302B2Fluorosulfonic acid compound, process for producing the same, and use thereofDAIKIN IND LTD·Filed 2004·Granted Jan 27, 2009·5 cites·6 claims
- 3861US2025230117A1Fluorine-containing ether compound and method for producing the sameDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 3960US2022259135A1Method for manufacturing fluoroacetic acid esterDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 4059US9738589B2Method for producing α-fluoroacrylic acid esterDAIKIN IND LTD·Filed 2016·Granted Aug 22, 2017·0 cites·4 claims
- 4158US2025230266A1Polymer and water-repellent oil-resistant compositionDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 4256US12410267B2Composition production method, and compositionDAIKIN IND LTD·Filed 2020·Granted Sep 9, 2025·0 cites·15 claims
- 4354US2022259337A1Method for producing aqueous fluoropolymer dispersion, drainage treatment method, and aqueous fluoropolymer dispersionDAIKIN IND LTD·Filed 2020·Application pending·0 cites
- 4453US11261148B2Method for producing carbonyl compoundDAIKIN IND LTD·Filed 2019·Granted Mar 1, 2022·0 cites·17 claims
- 4553US2023242468A1Production method for fluorinated organic compoundDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 4650US11440875B2Sulfonic acid, carboxylic acid, and salts thereofDAIKIN IND LTD·Filed 2018·Granted Sep 13, 2022·0 cites·10 claims
- 4747US11198670B2Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactantDAIKIN IND LTD·Filed 2017·Granted Dec 14, 2021·0 cites·7 claims
- 4845US10526272B2Water elimination methodDAIKIN IND LTD·Filed 2016·Granted Jan 7, 2020·0 cites·6 claims
- 4940US5569771A(Haloalkyl) dibenzooniumsulfonate and its production methods; and a haloalkylating agent and haloalkylating methodsDAIKIN IND LTD·Filed 1994·Granted Oct 29, 1996·1 cites·10 claims
- 5034US6239289B1O-(perfluoroalkyl)dibenzofuranium salt derivatives, intermediates for the preparation of the same, process for the preparation of the intermediates, perfluoroalkylating agents, and process for perfluoroalkylationDAIKIN IND LTD·Filed 1998·Granted May 29, 2001·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →